文章列表

• 1.时差N小时 人类失去神经细胞会怎么样?(下)
• Most neurons can't divide to form new cells, so there's no way to replace them if they die. 大多数神经细胞无法分裂产生新的细胞，因此一旦神经细胞死亡就...
• 2.时差N小时 人类失去神经细胞会怎么样?(上)
• When you were born, almost all of the one trillion neurons, or nerve cells, in your brain had already formed. 当你出生时，大脑中的一万亿个神经元（神经...
• 3.时差N小时 蜣螂的秘密(上)
• A number of animals, including honeybees and butterflies, use sunlight's polarization in their navigations, 很多的动物都根据阳光的自然偏振作用来为自己...
• 4.时差N小时 蜣螂的秘密(下)
• There are many dung beetles competing for a limited amount of food at a dung pile, so whenan individual is finished rolling a ball of dung it is in it...
• 5.时差N小时 巨型昆虫的进化与消亡(上)
• Once upon a time, hundreds of millions of years ago, many insects were much larger than they are today. 很久以前，大约几亿年前，许多昆虫的体型要比现在...
• 6.时差N小时 巨型昆虫的进化与消亡(下)
• These changes, which gave birds greater facility for flight, made them more effective predators. Its not difficult to imagine that they feasted on gia...
• 7.时差N小时 穴居人远比我们想象的聪明(上)
• We modern humans tend to look down on our ancient Neanderthal cousins. 现代人常常看不起古代的尼安得特人兄弟。 In our imagination, Neanderthals were br...
• 8.时差N小时 穴居人远比我们想象的聪明(下)
• Archaeologists have found Neanderthal tools dating from around 100,000 years ago on the Greek islands of Kefalonia and Zakynthos. 考古学家在希腊群岛中...
• 9.时差N小时 我们为何要接吻(上)
• Do you have any idea why people kiss？Well down, the simple answer is just because it feels good. Our lips are full of sensitive nerve endings, which ...
• 10.时差N小时 我们为何要接吻(下)
• Nobody knows for sure. But some scientists think that kissing might help us assess a partner's immune system. 没有人知道确切原因。有科学家推测，接吻可...